28541275

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1060

約数の個数: 36

約数和(自身を含む): 43001712

約数和(自身を除く): 14460437

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1013, 1127, 1225, 4025, 5065, 5635, 7091, 23299, 25325, 28175, 35455, 49637, 116495, 163093, 177275, 248185, 582475, 815465, 1141651, 1240925, 4077325, 5708255, 28541275]

約数ペア:

[(1, 28541275), (5, 5708255), (7, 4077325), (23, 1240925), (25, 1141651), (35, 815465), (49, 582475), (115, 248185), (161, 177275), (175, 163093), (245, 116495), (575, 49637), (805, 35455), (1013, 28175), (1127, 25325), (1225, 23299), (4025, 7091), (5065, 5635)]